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/*====================================================================*
 *
 *   Copyright (c) 2013 Qualcomm Atheros, Inc.
 *   Copyright (c) 2014 I2SE GmbH
 *
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or 
 *   without modification, are permitted (subject to the limitations 
 *   in the disclaimer below) provided that the following conditions 
 *   are met:
 *
 *   * Redistributions of source code must retain the above copyright 
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above 
 *     copyright notice, this list of conditions and the following 
 *     disclaimer in the documentation and/or other materials 
 *     provided with the distribution.
 *
 *   * Neither the name of Qualcomm Atheros nor the names of 
 *     its contributors may be used to endorse or promote products 
 *     derived from this software without specific prior written 
 *     permission.
 *
 *   NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE 
 *   GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE 
 *   COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; AND ANY EXPRESS OR 
 *   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 *   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 *   PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 
 *   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
 *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 *   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 *   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 *   OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
 *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
 *
 *--------------------------------------------------------------------*/

/*====================================================================*&quot;
 *
 *   plchostd2.c -
 *
 *
 *   Contributor(s):
 *      Charles Maier &lt;cmaier@qca.qualcomm.com&gt;
 *      Nathaniel Houghton &lt;nhoughto@qca.qualcomm.com&gt;
 *      Stefan Wahren &lt;stefan.wahren@i2se.com&gt;
 *
 *--------------------------------------------------------------------*/

/*====================================================================*&quot;
 *   system header files;
 *--------------------------------------------------------------------*/

#include &lt;unistd.h&gt;
#include &lt;stdlib.h&gt;
#include &lt;limits.h&gt;
#include &lt;string.h&gt;
#include &lt;ctype.h&gt;
#include &lt;memory.h&gt;
#include &lt;signal.h&gt;
#include &lt;errno.h&gt;
#include &lt;sys/socket.h&gt;
#include &lt;sys/un.h&gt;

/*====================================================================*
 *   custom header files;
 *--------------------------------------------------------------------*/

#include &quot;../ether/channel.h&quot;
#include &quot;../tools/getoptv.h&quot;
#include &quot;../tools/putoptv.h&quot;
#include &quot;../tools/memory.h&quot;
#include &quot;../tools/number.h&quot;
#include &quot;../tools/types.h&quot;
#include &quot;../tools/flags.h&quot;
#include &quot;../tools/files.h&quot;
#include &quot;../tools/error.h&quot;
#include &quot;../ram/nvram.h&quot;
#include &quot;../ram/sdram.h&quot;
#include &quot;../nvm/nvm.h&quot;
#include &quot;../pib/pib.h&quot;
#include &quot;../plc/plc.h&quot;

/*====================================================================*
 *   custom source files;
 *--------------------------------------------------------------------*/

#ifndef MAKEFILE
#include &quot;../plc/BootDevice2.c&quot;
#include &quot;../plc/BootFirmware2.c&quot;
#include &quot;../plc/BootParameters2.c&quot;
#include &quot;../plc/chipset.c&quot;
#include &quot;../plc/Confirm.c&quot;
#include &quot;../plc/Devices.c&quot;
#include &quot;../plc/Failure.c&quot;
#include &quot;../plc/FlashDevice2.c&quot;
#include &quot;../plc/FlashSoftloader.c&quot;
#include &quot;../plc/FlashFirmware.c&quot;
#include &quot;../plc/FlashParameters.c&quot;
#include &quot;../plc/FlashNVM.c&quot;
#include &quot;../plc/HostActionResponse.c&quot;
#include &quot;../plc/InitDevice2.c&quot;
#include &quot;../plc/ModuleRead.c&quot;
#include &quot;../plc/ModuleSpec.c&quot;
#include &quot;../plc/ModuleSession.c&quot;
#include &quot;../plc/ModuleWrite.c&quot;
#include &quot;../plc/ModuleCommit.c&quot;
#include &quot;../plc/LocalDevices.c&quot;
#include &quot;../plc/NVMSelect.c&quot;
#include &quot;../plc/ReadFirmware2.c&quot;
#include &quot;../plc/ReadParameters2.c&quot;
#include &quot;../plc/Request.c&quot;
#include &quot;../plc/ResetDevice.c&quot;
#include &quot;../plc/ReadMME.c&quot;
#include &quot;../plc/SendMME.c&quot;
#include &quot;../plc/WaitForReset.c&quot;
#include &quot;../plc/WaitForStart.c&quot;
#include &quot;../plc/WriteMEM.c&quot;
#include &quot;../plc/WriteNVM.c&quot;
#include &quot;../plc/WritePIB.c&quot;
#include &quot;../plc/WriteExecuteFirmware2.c&quot;
#include &quot;../plc/WriteExecuteParameters2.c&quot;
#include &quot;../plc/WriteExecuteApplet2.c&quot;
#include &quot;../plc/Platform.c&quot;
#include &quot;../plc/WriteFirmware2.c&quot;
#include &quot;../plc/PLCSelect.c&quot;
#endif

#ifndef MAKEFILE
#include &quot;../tools/getoptv.c&quot;
#include &quot;../tools/putoptv.c&quot;
#include &quot;../tools/version.c&quot;
#include &quot;../tools/uintspec.c&quot;
#include &quot;../tools/checkfilename.c&quot;
#include &quot;../tools/hexdecode.c&quot;
#include &quot;../tools/hexstring.c&quot;
#include &quot;../tools/todigit.c&quot;
#include &quot;../tools/hexdump.c&quot;
#include &quot;../tools/checksum32.c&quot;
#include &quot;../tools/fdchecksum32.c&quot;
#include &quot;../tools/error.c&quot;
#include &quot;../tools/strfbits.c&quot;
#include &quot;../tools/typename.c&quot;
#endif

#ifndef MAKEFILE
#include &quot;../ether/openchannel.c&quot;
#include &quot;../ether/closechannel.c&quot;
#include &quot;../ether/readpacket.c&quot;
#include &quot;../ether/sendpacket.c&quot;
#include &quot;../ether/channel.c&quot;
#endif

#ifndef MAKEFILE
#include &quot;../mme/EthernetHeader.c&quot;
#include &quot;../mme/QualcommHeader.c&quot;
#include &quot;../mme/UnwantedMessage.c&quot;
#include &quot;../mme/MMECode.c&quot;
#ifdef AR7x00
#include &quot;../mme/QualcommHeader1.c&quot;
#endif
#endif

#ifndef MAKEFILE
#include &quot;../key/keys.c&quot;
#endif

#ifndef MAKEFILE
#include &quot;../nvm/nvmfile2.c&quot;
#endif

#ifndef MAKEFILE
#include &quot;../pib/pibfile2.c&quot;
#include &quot;../pib/pibpeek2.c&quot;
#endif

/*====================================================================*
 *   program constants;
 *--------------------------------------------------------------------*/

#define MESSAGE &quot;Starting PLC Host Server\n&quot;
#define SOCKETNAME &quot;/tmp/socket&quot;

#define NEWPIB &quot;user.pib&quot;
#define NEWNVM &quot;user.nvm&quot;

/*====================================================================*
 *   program variables;
 *--------------------------------------------------------------------*/

static bool done = false;

/*====================================================================*
 *
 *   void terminate (signo_t signal);
 *
 *
 *
 *   Contributor(s):
 *      Charles Maier &lt;cmaier@qca.qualcomm.com&gt;
 *
 *--------------------------------------------------------------------*/

static void terminate (signo_t signal)

{
	done = true;
	return;
}

/*====================================================================*
 *
 *   signed opensocket (char const * socketname);
 *
 *
 *
 *   Contributor(s):
 *      Charles Maier &lt;cmaier@qca.qualcomm.com&gt;
 *
 *--------------------------------------------------------------------*/

static signed opensocket (char const * socketname)

{
	signed fd;
	struct sockaddr_un sockaddr_un =
	{

#if defined (__OpenBSD__) || defined (__APPLE__)

		0,

#endif

		AF_UNIX,
		&quot;/tmp/socket&quot;
	};
	strncpy (sockaddr_un.sun_path, socketname, sizeof (sockaddr_un.sun_path));

#if defined (__OpenBSD__) || defined (__APPLE__)

	sockaddr_un.sun_len = SUN_LEN (&amp;sockaddr_un);

#endif

	if (unlink (sockaddr_un.sun_path))
	{
		if (errno != ENOENT)
		{
			error (1, errno, &quot;%s&quot;, sockaddr_un.sun_path);
		}
	}
	if ((fd = socket (AF_UNIX, SOCK_DGRAM, 0)) == -1)
	{
		error (1, errno, &quot;%s&quot;, sockaddr_un.sun_path);
	}
	if (bind (fd, (struct sockaddr *)(&amp;sockaddr_un), sizeof (sockaddr_un)) == -1)
	{
		error (1, errno, &quot;%s&quot;, sockaddr_un.sun_path);
	}
	if (chmod (sockaddr_un.sun_path, 0666) == -1)
	{
		error (1, errno, &quot;%s&quot;, sockaddr_un.sun_path);
	}
	return (fd);
}

/*====================================================================*
 *
 *   signed function (struct plc * plc, char const * socket);
 *
 *   wait indefinitely for VS_HOST_ACTION messages; service the device
 *   only; it will stop dead - like a bug! - on error;
 *
 *
 *   Contributor(s):
 *      Charles Maier &lt;cmaier@qca.qualcomm.com&gt;
 *
 *--------------------------------------------------------------------*/

signed function (struct plc * plc, char const * socket)

{
	struct channel * channel = (struct channel *)(plc-&gt;channel);
	struct message * message = (struct message *)(plc-&gt;message);

	static char const * actions [] =
	{
		&quot;start device&quot;,
		&quot;store firmware&quot;,
		&quot;store parameters&quot;,
		&quot;update host&quot;,
		&quot;config memory&quot;,
		&quot;restore defaults&quot;,
		&quot;unknown&quot;
	};

#ifndef __GNUC__
#pragma pack (push,1)
#endif

	struct __packed vs_host_action_ind
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint8_t MACTION;
		uint8_t MAJOR_VERSION;
		uint8_t MINOR_VERSION;
	}
	* indicate = (struct vs_host_action_ind *) (message);

#ifndef __GNUC__
#pragma pack (pop)
#endif

	signed fd = opensocket (socket);
	char firmware [PLC_VERSION_STRING];
	char const * FactoryNVM = plc-&gt;NVM.name;
	char const * FactoryPIB = plc-&gt;PIB.name;
	signed action;
	signed status;
	write (fd, MESSAGE, strlen (MESSAGE));
	while (!done)
	{
		status = ReadMME (plc, 0, (VS_HOST_ACTION | MMTYPE_IND));
		if (status &lt; 0)
		{
			break;
		}
		if (status &lt; 1)
		{
			continue;
		}
		action = indicate-&gt;MACTION;
		if (action &lt; SIZEOF (actions))
		{
			fprintf(stderr, &quot;plchostd2: action = %s\n&quot;, actions[action]);
		}
		else
		{
			fprintf(stderr, &quot;plchostd2: action = %d\n&quot;, action);
		}
		memcpy (channel-&gt;peer, indicate-&gt;ethernet.OSA, sizeof (channel-&gt;peer));
		if (HostActionResponse (plc))
		{
			return (-1);
		}
		if (action == 0x00)
		{
			if (BootDevice2 (plc))
			{
				return (-1);
			}
			if (WaitForStart (plc, firmware, sizeof (firmware)))
			{
				return (-1);
			}
			if (_anyset (plc-&gt;flags, PLC_FLASH_DEVICE))
			{
				FlashDevice2 (plc, (PLC_COMMIT_FORCE | PLC_COMMIT_NORESET | PLC_COMMIT_FACTPIB));
			}
			continue;
		}
		if (action == 0x01)
		{
			close (plc-&gt;NVM.file);
			if (ReadFirmware2 (plc))
			{
				return (-1);
			}
			if ((plc-&gt;NVM.file = open (plc-&gt;NVM.name = plc-&gt;nvm.name, O_BINARY|O_RDONLY)) == -1)
			{
				error (1, errno, &quot;%s&quot;, plc-&gt;NVM.name);
			}
			continue;
		}
		if (action == 0x02)
		{
			close (plc-&gt;PIB.file);
			if (ReadParameters2 (plc))
			{
				return (-1);
			}
			if ((plc-&gt;PIB.file = open (plc-&gt;PIB.name = plc-&gt;pib.name, O_BINARY|O_RDONLY)) == -1)
			{
				error (1, errno, &quot;%s&quot;, plc-&gt;PIB.name);
			}
			if (ResetDevice (plc))
			{
				return (-1);
			}
			continue;
		}
		if (action == 0x03)
		{
			close (plc-&gt;PIB.file);
			if (ReadParameters2 (plc))
			{
				return (-1);
			}
			if ((plc-&gt;PIB.file = open (plc-&gt;PIB.name = plc-&gt;pib.name, O_BINARY|O_RDONLY)) == -1)
			{
				error (1, errno, &quot;%s&quot;, plc-&gt;PIB.name);
			}
			close (plc-&gt;NVM.file);
			if (ReadFirmware2 (plc))
			{
				return (-1);
			}
			if ((plc-&gt;NVM.file = open (plc-&gt;NVM.name = plc-&gt;nvm.name, O_BINARY|O_RDONLY)) == -1)
			{
				error (1, errno, &quot;%s&quot;, plc-&gt;NVM.name);
			}
			if (ResetDevice (plc))
			{
				return (-1);
			}
			continue;
		}
		if (action == 0x04)
		{
			if (InitDevice2 (plc))
			{
				return (-1);
			}
			continue;
		}
		if (action == 0x05)
		{
			close (plc-&gt;NVM.file);
			if ((plc-&gt;NVM.file = open (plc-&gt;NVM.name = FactoryNVM, O_BINARY|O_RDONLY)) == -1)
			{
				error (1, errno, &quot;%s&quot;, plc-&gt;NVM.name);
			}
			close (plc-&gt;PIB.file);
			if ((plc-&gt;PIB.file = open (plc-&gt;PIB.name = FactoryPIB, O_BINARY|O_RDONLY)) == -1)
			{
				error (1, errno, &quot;%s&quot;, plc-&gt;PIB.name);
			}
			if (ResetDevice (plc))
			{
				return (-1);
			}
			continue;
		}
		if (action == 0x06)
		{
			close (plc-&gt;PIB.file);
			if (ReadParameters2 (plc))
			{
				return (-1);
			}
			if ((plc-&gt;PIB.file = open (plc-&gt;PIB.name = plc-&gt;pib.name, O_BINARY|O_RDONLY)) == -1)
			{
				error (1, errno, &quot;%s&quot;, plc-&gt;PIB.name);
			}
			continue;
		}
		error (0, ENOSYS, &quot;Host Action 0x%02X&quot;, action);
	}
	close (fd);
	return (0);
}

/*====================================================================*
 *
 *   int main (int argc, char const * argv[]);
 *
 *   parse command line, populate plc structure and perform selected
 *   operations; show help summary when asked; see getoptv and putoptv
 *   to understand command line parsing and help summary display; see
 *   plc.h for the definition of struct plc;
 *
 *
 *--------------------------------------------------------------------*/

int main (int argc, char const * argv [])

{
	extern struct channel channel;
	extern void terminate (signo_t);
	static char const * optv [] =
	{
		&quot;dFi:n:N:p:P:qS:t:vw:x&quot;,
		&quot;-N file -P file [-S file]&quot;,
		&quot;Qualcomm Atheros Panther/Lynx PLC Host Daemon&quot;,
		&quot;d\texecute in background as daemon&quot;,
		&quot;F [F]\tflash [force] non-volatile memory&quot;,

#if defined (WINPCAP) || defined (LIBPCAP)

		&quot;i n\thost interface is (n) [&quot; LITERAL (CHANNEL_ETHNUMBER) &quot;]&quot;,

#else

		&quot;i s\thost interface is (s) [&quot; LITERAL (CHANNEL_ETHDEVICE) &quot;]&quot;,

#endif

		&quot;n f\tread firmware from device into file (f)&quot;,
		&quot;N f\tfirmware file is (f)&quot;,
		&quot;p f\tread parameters from device into file (f)&quot;,
		&quot;P f\tparameter file is (f)&quot;,
		&quot;q\tquiet mode&quot;,
		&quot;S f\tsoftloader file is (f)&quot;,
		&quot;t n\tread timeout is (n) milliseconds [&quot; LITERAL (CHANNEL_TIMEOUT) &quot;]&quot;,
		&quot;v\tverbose mode&quot;,
		&quot;w n\twakeup every (n) seconds [&quot; LITERAL (PLC_LONGTIME) &quot;]&quot;,
		&quot;x\texit on error&quot;,
		(char const *) (0)
	};

#include &quot;../plc/plc.c&quot;

	struct sigaction sa;
	char const * socketname = SOCKETNAME;
	signed c;
	if (getenv (PLCDEVICE))
	{

#if defined (WINPCAP) || defined (LIBPCAP)

		channel.ifindex = atoi (getenv (PLCDEVICE));

#else

		channel.ifname = strdup (getenv (PLCDEVICE));

#endif

	}
	optind = 1;
	plc.timer = PLC_LONGTIME;
	while ((c = getoptv (argc, argv, optv)) != -1)
	{
		switch (c)
		{
		case 'd':
			_setbits (plc.flags, PLC_DAEMON);
			break;
		case 'F':
			_setbits (plc.module, (VS_MODULE_MAC | VS_MODULE_PIB));
			if (_anyset (plc.flags, PLC_FLASH_DEVICE))
			{
				_setbits (plc.module, VS_MODULE_FORCE);
			}
			_setbits (plc.flags, PLC_FLASH_DEVICE);
			break;
		case 'i':

#if defined (WINPCAP) || defined (LIBPCAP)

			channel.ifindex = atoi (optarg);

#else

			channel.ifname = optarg;

#endif

			break;
		case 'N':
			if (!checkfilename (optarg))
			{
				error (1, EINVAL, &quot;%s&quot;, optarg);
			}
			if ((plc.NVM.file = open (plc.NVM.name = optarg, O_BINARY|O_RDONLY)) == -1)
			{
				error (1, errno, &quot;%s&quot;, plc.NVM.name);
			}
			if (nvmfile2 (&amp;plc.NVM))
			{
				error (1, errno, &quot;Bad firmware file: %s&quot;, plc.NVM.name);
			}
			_setbits (plc.flags, PLC_WRITE_MAC);
			break;
		case 'n':
			if (!checkfilename (optarg))
			{
				error (1, EINVAL, &quot;%s&quot;, optarg);
			}
			if ((plc.nvm.file = open (plc.nvm.name = optarg, O_BINARY|O_CREAT|O_RDWR|O_TRUNC, FILE_FILEMODE)) == -1)
			{
				error (1, errno, &quot;%s&quot;, plc.nvm.name);
			}
			break;
		case 'P':
			if (!checkfilename (optarg))
			{
				error (1, EINVAL, &quot;%s&quot;, optarg);
			}
			if ((plc.PIB.file = open (plc.PIB.name = optarg, O_BINARY|O_RDONLY)) == -1)
			{
				error (1, errno, &quot;%s&quot;, plc.PIB.name);
			}
			if (pibfile2 (&amp;plc.PIB))
			{
				error (1, errno, &quot;Bad parameter file: %s&quot;, plc.PIB.name);
			}
			_setbits (plc.flags, PLC_WRITE_PIB);
			break;
		case 'p':
			if (!checkfilename (optarg))
			{
				error (1, EINVAL, &quot;%s&quot;, optarg);
			}
			if ((plc.pib.file = open (plc.pib.name = optarg, O_BINARY|O_CREAT|O_RDWR|O_TRUNC, FILE_FILEMODE)) == -1)
			{
				error (1, errno, &quot;%s&quot;, plc.pib.name);
			}
			break;
		case 'q':
			_setbits (channel.flags, CHANNEL_SILENCE);
			_setbits (plc.flags, PLC_SILENCE);
			break;
		case 'S':
			if (!checkfilename (optarg))
			{
				error (1, EINVAL, &quot;%s&quot;, optarg);
			}
			if ((plc.CFG.file = open (plc.CFG.name = optarg, O_BINARY|O_RDONLY)) == -1)
			{
				error (1, errno, &quot;%s&quot;, plc.CFG.name);
			}
			if (nvmfile2 (&amp;plc.CFG))
			{
				error (1, errno, &quot;Bad firmware file: %s&quot;, plc.CFG.name);
			}
			break;
		case 't':
			channel.timeout = (signed)(uintspec (optarg, 0, UINT_MAX));
			break;
		case 'v':
			_setbits (channel.flags, CHANNEL_VERBOSE);
			_setbits (plc.flags, PLC_VERBOSE);
			break;
		case 'w':
			plc.timer = (unsigned)(uintspec (optarg, 1, 3600));
			break;
		case 'x':
			_setbits (plc.flags, PLC_BAILOUT);
			break;
		default:
			break;
		}
	}
	argc -= optind;
	argv += optind;
	if (argc)
	{
		error (1, ENOTSUP, ERROR_TOOMANY);
	}
	if (plc.NVM.file == -1)
	{
		error (1, ECANCELED, &quot;No host NVM file named&quot;);
	}
	if (plc.PIB.file == -1)
	{
		error (1, ECANCELED, &quot;No host PIB file named&quot;);
	}
	if (plc.CFG.file == -1)
	{
		if (_anyset (plc.flags, PLC_FLASH_DEVICE))
		{
			error (1, ECANCELED, &quot;No Softloader file named&quot;);
		}
	}
	if (plc.nvm.file == -1)
	{
		if ((plc.nvm.file = open (plc.nvm.name = NEWNVM, O_BINARY|O_CREAT|O_RDWR|O_TRUNC, FILE_FILEMODE)) == -1)
		{
			error (1, errno, &quot;%s&quot;, plc.nvm.name);
		}
	}
	if (plc.pib.file == -1)
	{
		if ((plc.pib.file = open (plc.pib.name = NEWPIB, O_BINARY|O_CREAT|O_RDWR|O_TRUNC, FILE_FILEMODE)) == -1)
		{
			error (1, errno, &quot;%s&quot;, plc.pib.name);
		}
	}

#ifndef WIN32

	if (_anyset (plc.flags, PLC_DAEMON))
	{
		pid_t pid = fork ();
		if (pid &lt; 0)
		{
			error (1, errno, &quot;Can't start daemon&quot;);
		}
		if (pid &gt; 0)
		{
			exit (0);
		}
	}
	memset (&amp;sa, 0, sizeof (struct sigaction));
	sa.sa_handler = terminate;
	sigaction (SIGTERM, &amp;sa, (struct sigaction *)(0));
	sigaction (SIGQUIT, &amp;sa, (struct sigaction *)(0));
	sigaction (SIGTSTP, &amp;sa, (struct sigaction *)(0));
	sigaction (SIGINT, &amp;sa, (struct sigaction *)(0));
	sigaction (SIGHUP, &amp;sa, (struct sigaction *)(0));

#endif

	openchannel (&amp;channel);
	if (!(plc.message = malloc (sizeof (* plc.message))))
	{
		error (1, errno, PLC_NOMEMORY);
	}
	function (&amp;plc, socketname);
	free (plc.message);
	closechannel (&amp;channel);
	exit (0);
}


</pre>
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